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MDC – Motorized Divergence Controller

MDC – Motorized Divergence Controller

Wavelength range

355 – 1064 nm

Adjustable divergence

from -2.2 mrad to + 4.3 mrad

Adjustment rate

~3 mrad/sec


<1 μrad/step

Lens material


Clear Aperture

>8 mm

Transmitted wavefront distortion

<λ/4 @ 632.8 nm

Control interface


Software platform



> 10 J/cm² @ 1064 nm; 10 ns; 10 Hz

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An MDC is a divergence adjuster designed for automated applications. It changes beam divergence from ~-2 mrad (converging) to ~+4 mrad (diverging). This device is useful in laser machining systems, where quick size adjustments for laser spots are needed. The control solution for the divergence adjuster is versatile, with the ability to change it with a computer or directly with control buttons.

The standard wavelengths are 1st-3rd Nd:YAG harmonics, but any custom wavelength is available on request.


  • Suitable for ultrafast picosecond and femtosecond lasers
  • Aberration-minimized design (special aberration compensation layout)
  • Reduced setup time by automatic divergence adjustment
  • Plug & play solution (controller included)
  • Custom divergence ranges on request

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